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The 3300/16-12-01-01-00-00-00 (P/N 145323-01) is a dual-channel monitoring module designed for the Bently Nevada 3300 System rack-based machinery protection architecture.
Unlike the earlier 3300/15 series, this module provides integrated XY radial...
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The 3300/16-12-01-01-00-00-00 (P/N 145323-01) is a dual-channel monitoring module designed for the Bently Nevada 3300 System rack-based machinery protection architecture.
Unlike the earlier 3300/15 series, this module provides integrated XY radial vibration measurement combined with shaft-to-probe gap voltage monitoring, allowing engineers to evaluate both dynamic rotor movement and static shaft positioning inside fluid-film bearings.
Each channel operates independently and processes Proximitor sensor signals in real time. When vibration amplitudes or gap voltages exceed configured safety thresholds, the module triggers onboard relay-based hardware protection alarms to prevent mechanical damage.
| Parameter | Specification |
|---|---|
| Model | 3300/16-12-01-01-00-00-00 |
| Part Number | 145323-01 |
| Measurement Range | 0–10 mils Peak-to-Peak displacement |
| Transducer Compatibility | 3300 8mm, 3300 XL 8mm, 7200 5mm / 8mm Proximitor sensors |
| Input Sensitivity | 200 mV/mil (7.87 mV/µm) |
| Relay Hardware | Epoxy-sealed SPDT relays |
| Agency Certifications | Standard version (non-approval variant) |
| Safety Barrier Design | Internal isolation barriers not included |
| Trip Multiply Function | Not enabled (fixed setpoint logic) |
| Rack Requirement | Occupies one full-height 3300 rack slot |
| Signal Outputs | Front-panel buffered coaxial diagnostic outputs |
| Operating Temperature | Industrial-grade (3300 platform standard environment) |
This module is widely deployed in high-value rotating machinery protection systems, including:
Steam turbines
Centrifugal pumps
Large industrial cooling fans
It is particularly effective for detecting:
Rotor imbalance
Shaft misalignment
Bearing wear and lubrication degradation
The module provides orbit-style diagnostic capability by tracking shaft radial motion relative to the bearing clearance space.
Can the 3300/16-12-01-01-00-00-00 replace an old 3300/15 monitor?
Yes. The 3300/16 series is designed as a functional successor, maintaining the same rack footprint while improving gap alarm processing accuracy and signal stability.
What is the advantage of epoxy-sealed relays?
Epoxy sealing protects relay contacts from corrosive gases, moisture, and chemical contaminants, making the module suitable for refinery and petrochemical environments.
